Managing HP Serviceguard A.11.20.20 for Linux, March 2014

cluster lock and cluster expansion, 85
cluster manager configuration, 90
disk I/O information, 83
for expansion, 107
hardware configuration, 81
high availability objectives, 79
overview, 79
package configuration, 104
power, 84
quorum server, 85
SPU information, 81
volume groups and physical volumes, 85
worksheets, 83
planning and documenting an HA cluster, 79
planning for cluster expansion, 79
planning worksheets
blanks, 285
point of failure
in networking, 26
POLLING_TARGET
defined, 103
ports
dual and single aggregated, 65
power planning
power sources, 84
worksheet, 84, 286
power supplies
blank planning worksheet, 285
power supply
and cluster lock, 30
UPS, 30
primary LAN interfaces
defined, 25
primary node, 20
Q
QS_ADDR
parameter in cluster manager configuration, 92
quorum
and cluster reformation, 75
quorum server
and safety timer, 34
installing, 145
parameters in cluster manager configuration, 92
planning, 85
R
re-formation
of cluster, 40
reconfiguring a package
while the cluster is running, 240
reconfiguring a package with the cluster offline, 241
reconfiguring a running cluster, 228
reconfiguring the entire cluster, 228
reconfiguring the lock volume group, 228
recovery time, 86
redundancy
in networking, 26
of cluster components, 25
redundancy in network interfaces, 25
redundant Ethernet configuration, 26
redundant LANS
figure, 27
redundant networks
for heartbeat, 20
relocatable IP address
defined, 62
relocatable IP addresses
in Serviceguard packages, 62
remote switching, 69
removing nodes from operation in a running cluster, 212
removing packages on a running cluster, 198
removing Serviceguard from a system, 252
replacing disks, 255
resources
disks, 29
responses
to cluster events, 252
to package and service failures, 77
responses to failures, 75
responses to hardware failures, 76
restart
automatic restart of cluster, 39
following failure, 78
restartable transactions, 271
restarting the cluster automatically, 213
restoring client connections in applications, 276
rotating standby
configuring with failover policies, 47
setting package policies, 47
RUN_SCRIPT
parameter in package configuration, 191
RUN_SCRIPT_TIMEOUT (run script timeout)
parameter in package configuration, 191
running cluster
adding or removing packages, 198
S
S800 series number
hardware planning, 81
safety timer
and node TOC, 34
and syslog, 34
duration, 34
sample disk configurations, 30
Sample monitoring script for generic resources, 303
service administration, 217
service configuration
step by step, 169
service failures
responses, 77
service restarts, 78
SERVICE_CMD
in sample package control script, 236
SERVICE_FAIL_FAST_ENABLED
and node TOC, 77
SERVICE_NAME
in sample package control script, 236
314 Index